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YANA DUMANSKA
FULL-STACK DEVELOPER
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LVIV, UKRAINE

OBJECTIVE

Full-stack Developer with experience in Java (Spring Boot) and React, focused on building scalable and
high-performance web applications. Skilled in optimizing backend processes, designing responsive user
interfaces, and creating microservices. Enthusiastic about contributing to global projects or e-commerce
industries.

SKILLS & ABILITIES

Frontend: React, TypeScript, JavaScript (ES6+), Redux, HTML5, CSS3, Bootstrap
Backend: Java, Spring Boot, Hibernate/JPA, REST APIs, Spring Security, Microservices
Databases: PostgreSQL, MySQL
DevOps & Tools: Git, Docker, Agile/Scrum

EXPERIENCE

2024-2025 Backend Developer (Spring Boot) | TURBOT
• Developed and scaled RESTful APIs for high-load environments using Java 17 and Spring Boot.
• Optimized PostgreSQL queries and indexing, achieving a 30% reduction in API response latency.
• Secured applications by implementing JWT and OAuth2 protocols with Spring Security.
• Architected and maintained microservices, ensuring smooth communication and data
consistency.
2022-2024 Frontend Developer (React) | SoftWizard
• Built dynamic and accessible UI components with React and TypeScript, focusing on reusability.
• Managed complex application states using Redux Toolkit and Context API, improving data flow
efficiency.
• Optimized web performance and SEO, boosting Lighthouse scores from 82 to 96.
• Integrated backend services with frontend logic, ensuring high-quality end-to-end user journeys.

CERTIFICATES

Cisco Certified Network Associate (CCNA), 2022
SAP Certified Associate – Backend Developer (ABAP Cloud), 2023
EDUCATION

2020-2024 WSB University, Wroclaw
Bachelor’s Degree in Cloud Application Development (Graduated with Honors, GPA: 4.7/5.0).
Key coursework: Cloud Architecture, OOP, Big Data Analytics, Cisco Networking, and Embedded Systems
(Arduino).

LANGUAGES

Ukrainian – Native
English – Intermediate
Polish – Advanced